Patents by Inventor John W. Ng

John W. Ng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Photoviewer
    Patent number: D353942
    Type: Grant
    Filed: January 26, 1993
    Date of Patent: January 3, 1995
    Assignee: Sunson Limited
    Inventors: Canice K. Lo, Chin-Hun Tsang, John W. Ng